[FFmpeg-devel] [PATCH] configure: add direct detection of libopencv

[wm4]

On Sun, 7 Feb 2016 23:25:53 +0100
Andreas Cadhalpun <andreas.cadhalpun at googlemail.com> wrote:

> The pkg-config file contains all opencv libraries, not only the
> neccessary ones.
> 
> This change makes it possible to use the libopencv-imgproc-dev Debian
> package instead of libopencv-dev, saving about 200 MB of useless
> build-dependencies.
> 
> In particular one doesn't need to install the parts of opencv that
> depend on ffmpeg libraries.
> 
> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
> ---
>  configure | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/configure b/configure
> index 1000cb1..36ab7e5 100755
> --- a/configure
> +++ b/configure
> @@ -5488,7 +5488,8 @@ enabled libnut            && require libnut libnut.h nut_demuxer_init -lnut
>  enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
>  enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
>  enabled libopencv         && { check_header opencv2/core/core_c.h &&
> -                               require_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
> +                               { use_pkg_config opencv opencv2/core/core_c.h cvCreateImageHeader ||
> +                                 require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
>                                 require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
>  enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
>  enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||

Why not send a patch to opencv?